Usual fertility values

OestrusAlso known as heat, is the physiological and behavioral phenomena which precedes and accompanies ovulation in female mammals. detection efficiency or service rate
Conception rate
Pregnancy rate
CalvingGiving birth to a calf.-to-Conception Interval
1st AI conception rate
CullingProcess of removing an animal from the breeding stock, on most occasions sending it to be slaughtered. rate

Return to reproduction: not too early, not too late!

Return to reproduction

Cows shouldn’t be inseminated too early postpartum otherwise conception is low.

In contrast, they shouldn’t be inseminated too late either because otherwise the calvingGiving birth to a calf. to conception interval would be too long.

Resumption of follicle development in dairy cows